Home / 57,981,862.12-86,783,539.74-42,625,086.52

Finding the Fourth Proportional to 57,981,862.12, 86,783,539.74 and 42,625,086.52

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Solution

The fourth proportional to 57,981,862.12, 86,783,539.74 and 42,625,086.52 is: 63,798,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,862.12 : 86,783,539.74 = 42,625,086.52 : x
  2. Step 2: Convert to fraction form
    57,981,862.12/86,783,539.74 = 42,625,086.52/x
  3. Step 3: Cross multiply
    57,981,862.12x = 86,783,539.74 × 42,625,086.52
  4. Step 4: Simplify right side
    57,981,862.12x = 3,699,155,889,929,358.50
  5. Step 5: Solve for x
    x = 3,699,155,889,929,358.50/57,981,862.12
  6. Step 6: Final answer
    x = 63,798,501.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.